National Dental Examining Board of Canada (NDEB) Practice Exam 2025 - Free NDEB Practice Questions and Study Guide

Question: 1 / 400

The surface of primary molars requiring the least amount of reduction for stainless steel crowns is which one?

Lingual

The surface of primary molars that requires the least amount of reduction for stainless steel crowns is the lingual surface. This is because the lingual surface is the strongest and most stable surface of the tooth, making it better able to support the crown without needing as much reduction as the other surfaces. The buccal, mesial, and distal surfaces are more susceptible to damage and decay, so they need to be reduced more in order to ensure a stable and durable crown. Therefore, options B, C, and D are incorrect.

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Buccal

Mesial

Distal

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